To convert a megajoule measurement to a joule measurement, multiply the energy by the conversion ratio.

Since one megajoule is equal to 1,000,000 joules, you can use this simple formula to convert:


How Many Joules are in a Megajoule?

There are 1,000,000 joules in a megajoule, which is why we use this value in the formula above.

1 MJ = 1,000,000 J

Megajoules and joules are both units used to measure energy. Keep reading to learn more about each unit of measure.

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Megajoules

One megajoule is equal to 1,000,000 joules, which are the energy equal to the force on an object of one newton at a distance of one meter.

The megajoule is a multiple of the joule, which is the SI derived unit for energy. In the metric system, "mega" is the prefix for 106. Megajoules can be abbreviated as MJ; for example, 1 megajoule can be written as 1 MJ.

Joules

The joule is the energy equal to the force on an object of one newton at a distance of one meter.<1> One joule is equal to the heat energy dissipated by the current of one ampere through one ohm of resistance for one second.

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One joule is also equal to the energy needed to move an electric charge of one coulomb through a potential difference of one volt. In addition, one joule is also equal to the one watt-second.

The joule is the SI derived unit for energy in the metric system. Joules can be abbreviated as J; for example, 1 joule can be written as 1 J.


Megajoule to Joule Conversion Table

Megajoule measurements converted to joules Megajoules Joules
0.000001 MJ 1 J
0.000002 MJ 2 J
0.000003 MJ 3 J
0.000004 MJ 4 J
0.000005 MJ 5 J
0.000006 MJ 6 J
0.000007 MJ 7 J
0.000008 MJ 8 J
0.000009 MJ 9 J
0.0000001 MJ 0.1 J
0.000001 MJ 1 J
0.00001 MJ 10 J
0.0001 MJ 100 J
0.001 MJ 1,000 J
0.01 MJ 10,000 J
0.1 MJ 100,000 J
1 MJ 1,000,000 J

References

International Bureau of Weights and Measures, The International System of Units, 9th Edition, 2019, https://www.bipm.org/documents/20126/41483022/SI-Brochure-9-EN.pdf

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